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PartsTable / COMPONENT / 123P11511-3
123P11511-3 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The HOSE ASSEMBLY,METALLIC is a the manufacturer industrial component. Key specifications include flow_angle: 90.0 DEGREES SECOND END, flange_style: ROUND W/ OUT BOLT HOLES SECOND END, inside_diameter: 1.000 INCHES NOMINAL IN, connection_style: PLAIN SECOND END, flange_thickness: 0.188 INCHES NOMINAL SECOND END IN, outside_diameter: 1.281 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-076-5696, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
123P11511-3
NSN: 4720-00-076-5696
FSC: 4720
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
flow_angle90.0 DEGREES SECOND END
flange_styleROUND W/ OUT BOLT HOLES SECOND END
inside_diameter1.000 INCHES NOMINAL IN
connection_stylePLAIN SECOND END
flange_thickness0.188 INCHES NOMINAL SECOND END IN
outside_diameter1.281 INCHES NOMINAL IN
end_flange_constructionSOLID SECOND END
end_item_identificationAIRCRAFT, E-2C
flange_outside_diameter1.312 INCHES NOMINAL SECOND END IN
inner_conveying_tube_styleANNULAR CLOSE-PITCH CORRUGATED
cross-sectional_shape_styleROUND
measuring_method_and_length21.750 INCHES NOMINAL OVERALL IN
NSN4720-00-076-5696
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 123P11511-3 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 1.281 INCHES NOMINAL IN
•
END FLANGE CONSTRUCTION: SOLID SECOND END
•
FLANGE OUTSIDE DIAMETER: 1.312 INCHES NOMINAL SECOND END IN
•
INSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.281 INCHES NOMINAL IN
END FLANGE CONSTRUCTIONSOLID SECOND END
END ITEM IDENTIFICATIONAIRCRAFT, E-2C
FLANGE OUTSIDE DIAMETER1.312 INCHES NOMINAL SECOND END IN
INSIDE DIAMETER1.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
END FLANGE CONSTRUCTIONSOLID FIRST END
FLANGE OUTSIDE DIAMETER1.312 INCHES NOMINAL FIRST END IN
CONNECTION STYLEPLAIN FIRST END
FLANGE THICKNESS0.188 INCHES NOMINAL FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
11964Interchangeable
interchangeable cross-reference
interchangeable
123P11511-7Interchangeable
interchangeable cross-reference
interchangeable
123P11511-13Interchangeable
interchangeable cross-reference
interchangeable
123P11511Interchangeable
interchangeable cross-reference
interchangeable
11967Interchangeable
interchangeable cross-reference
interchangeable
11962Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 123P11511-3?
123P11511-3 is a HOSE ASSEMBLY,METALLIC.
What parts can replace 123P11511-3?
There are 11 known substitutes for 123P11511-3: 11964, 123P11511-7, 123P11511-13 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 123P11511-3?
123P11511-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-076-5696. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026